# うしろまえCam vs Contour Detection

The clearest difference is update cadence: うしろまえCam at daily against Contour Detection's fortnightly. うしろまえCam also leads on iOS requirement (13.0 vs 17.7.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

うしろまえCam ships an update daily, Contour Detection fortnightly. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | うしろまえCam | Contour Detection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 2 MB | 36 MB |
| Requires iOS | **13.0** | 17.7.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [takayuki atsumi](https://appshunter.io/developer/1495474977) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### うしろまえCam

[App page](https://appshunter.io/ios/app/cam/id6450133870)

**In-app purchases:** none


### Contour Detection

[App page](https://appshunter.io/ios/app/contour-detection/id6511213082)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is うしろまえCam free?

うしろまえCam is free to download, with no in-app purchases.

### Is Contour Detection free?

Contour Detection is free to download, with no in-app purchases.

### Do うしろまえCam or Contour Detection have ads?

Both うしろまえCam and Contour Detection show ads.

### Which is updated more often, うしろまえCam or Contour Detection?

うしろまえCam ships an update daily, and Contour Detection fortnightly. Most recently, うしろまえCam was updated on October 11, 2026 and Contour Detection on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*